Home / 21,447.05-32,179.68-11,574.83

Finding the Fourth Proportional to 21,447.05, 32,179.68 and 11,574.83

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Solution

The fourth proportional to 21,447.05, 32,179.68 and 11,574.83 is: 17,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.05 : 32,179.68 = 11,574.83 : x
  2. Step 2: Convert to fraction form
    21,447.05/32,179.68 = 11,574.83/x
  3. Step 3: Cross multiply
    21,447.05x = 32,179.68 × 11,574.83
  4. Step 4: Simplify right side
    21,447.05x = 372,474,405.90
  5. Step 5: Solve for x
    x = 372,474,405.90/21,447.05
  6. Step 6: Final answer
    x = 17,367.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.